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dun gou fa sui dao yan xian lin jin jian zhu de bao hu yu kong zhi
Author(s): 
Pages: 14-22
Year: Issue:  4
Journal: Underground Engineering and Tunnels

Keyword:  盾构法隧道已有建筑物越江隧道地面建筑盾构施工控制范围地面沉降地层损失地基加固上海地铁;
Abstract: <正> 前言现代城市地面建筑林立,交通繁忙,公用设施众多。明挖施工已难开展,为减少或避免对城市生活的干扰,暗挖隧道的盾构法已逐步成为城市地下铁道;上、下水道;电力通讯;市政公用设施等的最佳施工方法。但在上海这样的松软含水地层中,用盾构法建造隧道时,仍将无一例外地产生或多或少的地面沉降,它由因地层损失而致的施工沉降、受扰动土层范围内超孔隙水压力消散引起的主固结沉降及由于土层骨架蠕变引起的次固结沉降所构成。大小不等的地面沉降,
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